https://www.humantruth.info/tags/materialism.html
Human Truth Foundation pages (5):
Souls do not Exist: Evidence from Science & Philosophy Against Mind-Body Dualism, in the following sections:
Why do People Join New Religious Movements?: 2. Anti-Consumerism, Anti-Materialism, Anti-Modernism
What Do Religions Say About Souls?
Metaphysical Solipsism is Not True: 5. Consciousness is Biological, There is No Need for Solipsism
Not from the Human Truth Foundation, but still relevant (2):